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> compile NEMU

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ysyx_22040000 李心杨
Linux calcite 6.6.19 #1-NixOS SMP PREEMPT_DYNAMIC Fri Mar  1 12:35:11 UTC 2024 x86_64 GNU/Linux
 17:50:37  up   4:56,  2 users,  load average: 0.87, 0.84, 0.60
This commit is contained in:
tracer-ysyx 2024-03-20 17:50:37 +08:00 • committed by xinyangli
parent 48786c9988
commit 5eb7785adf
3 changed files with 28 additions and 6 deletions
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13
nemu/src/utils/ftrace.c
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@ -2,7 +2,7 @@
#include <assert.h>
#include <common.h>
#include <elf.h>
#include <func.h>
#include <ftrace.h>
// Put this into another file
#ifdef CONFIG_FTRACE
@ -16,7 +16,7 @@ static int cmp_func_t(const void *a, const void *b) {
return ((func_t *)a)->start > ((func_t *)b)->start;
}
const char *get_func_name(vaddr_t addr) {
static const char *get_func_name(vaddr_t addr) {
int l = 0, r = func_table_len - 1;
while(l <= r) {
int mid = (l + r) / 2;
@ -98,3 +98,12 @@ failed_nosym:
Error("Failed reading elf file");
return;
}
void ftrace_call(vaddr_t addr) {
printf("call [%s@0x%x]", get_func_name(addr), addr);
}
void ftrace_return(vaddr_t addr) {
printf("ret [%s@0x%x]", get_func_name(addr), addr);
}